Tomek Łaziuk
Software Engineer at Ampr Software GmbH (a Hypoport Company)
Warsaw Metropolitan Area Poland
Summary
🤩
Rockstar🎓
Top SchoolTomek Łaziuk is a pragmatic software engineer with 11 years of experience building and maintaining web and testing tooling across startups and enterprise firms in Poland and Germany. He specializes in TypeScript, Node.js and modern front-end frameworks (React, Angular), and has shipped production features ranging from real-time chat and betting apps to sales and marketing tooling for the real estate market. Tomek contributes to high-profile open-source efforts like DefinitelyTyped, improving TypeScript type definitions and test coverage—evidence of his attention to developer experience and correctness. Comfortable refactoring legacy stacks (Magento, AngularJS) into modern architectures, he combines delivery-focused engineering with a strong QA/test-automation mindset so deployments truly reach production automatically.
11 years of coding experience
5 years of employment as a software developer
Technic Informatyka, Technic Informatyka at Zespół Szkół Ekonomicznych w Międzyrzecu PodlaskimBachelor of Engineering - BE Computer/Information Technology Administration and Management, Bachelor of Engineering - BE Computer/Information Technology Administration and Management at WIT Academy
Polish, English, German
Stackoverflow
2,434reputation
289kreached
21answers
22questions
Github Skills (16)
testing10
typescript10
typescript-definitions10
typescripts10
typescript-types10
type-definition9
dts9
json6
nodejs6
firefox6
javascript6
jquery6
angular-http6
angular6
redux6
Programming languages (8)
Github contributions (5)
DefinitelyTyped/DefinitelyTyped
Jan 2017 - Sep 2022
The repository for high quality TypeScript type definitions.
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:4 reviews, 82 commits, 38 PRs in 5 years 8 months
Contributions summary:Tomek contributed to the `definitelytyped/definitelytyped` repository by adding and modifying type definitions and associated tests. These changes included adding new definitions for the `jasmine-data-provider` library and modifying existing definitions for `range-parser` with supporting test cases. The contributions focused on improving the quality and coverage of type definitions, addressing issues related to undocumented behaviors and ensuring code quality.
typescript-definitionstype-definitionshigh-qualitydtsdefinitions
tlaziuk/rangejs
Sep 2015 - Sep 2016
Contributions:4 releases, 31 PRs, 136 pushes in 11 months
intervaltypescript-libraryaimsrangetypescript
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